Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | The horizontal intercept of dc load line is the same as ideal |

A. | cut off point [Correct Answer] |

B. | saturation point [Wrong Answer] |

C. | operating point [Wrong Answer] |

D. | quasi saturation point [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ If the Q of a single-stage single-tuned amplifier is doubled, then its bandwidth will

remain same

become half

become doubled

become four times

⇒ The distance between maxima and minima of a standing wave is

λ/4

λ/2

λ

2λ

⇒ A P-N junction offers

high resistance in forward as well as reverse direction

low resistance in forward as well as reverse direction

conducts in forward direction only

conducts in reverse direction only

⇒ Pick the odd-one out

Hartley Oscillator

Colpitt oscillator

Clapp oscillator

Weinbridge oscillator

⇒ The term __________ applies to troposcatter propagation

fading

Faraday rotation

SIDS

atmospheric storms

⇒ The circuit given bel

Circuit is band stop with two edge frequency of 39.7875 Hz to 1592 Hz

Circuit is band pass with two edge frequency of 39.7875 Hz to 1592 Hz

Circuit is oscillator, oscillation at two frequencies 39.7875 Hz to 1592 Hz depending on R

_{3}, R

_{4}, R

_{5}and R

_{6}

None of these

⇒ For the circuit of figure the input and output Miller resistances

5 kΩ each

1 ohm and 5 kΩ respectively

5 kΩ and 1 ohm respectively

1 ohm each

⇒ The circuit in figure, the switched on at

*t*= 0. After a long time the current through 5 Ω resistanc

0.0416666666666667

0.166666666666667

0.416666666666667

0

⇒ In figure the zener cur

is always 130 mA

may vary between 10 mA and 130 mA

may vary between 60 mA and 130 mA

is always equal to 65 mA

⇒ Find the power absorbed or delivered by each sou

*a*= -32

*b*= - 12

*c*= -80

*d*= -60

*a*= -32

*b*= - 12

*c*= 80

*d*= 60

*a*= 32

*b*= 12

*c*= -80

*d*= 60

*a*= -32

*b*= 12

*c*= 80

*d*= -60

⇒ As compared to a BJT amplifier circuit, a JFET amplifier circuit

has low input impedance

has high input impedance

has very low input impedance

may have either low or high input impedance

⇒ The circuit shown in the figure is tha

non-inverting amplifier

Inverting amplifier

an oscillator

Schmitt trigger

⇒ In 3 phase power measurement by two wattmeter method, both wattmeters had equal reading. The power factor of load is

1

0.5 lagging

0.5 leading

0

⇒ The electromagnets of an induction wattmeter

are laminated

are not laminated

may be laminated

must not be laminated

⇒ In a TWT the amplitude of resultant wave travelling down the helix

increases exponentially

increases linearly

decreases exponentially

is almost constant

⇒ The discone antenna is

used in UHF range

circularly polarized

used in radar

used as a direction finding antenna

⇒ A resistor of 10 kΩ has an rms noise voltage of 1 mV under a certain set of conditions. A resistor of 20 kΩ under the same conditions will have an rms noise voltage of

1 mV

2 mV

1.414 mV

4 mV

⇒ The input impedance for folded dipole antenna (two half dipole) is

73

*n*

^{2}

377

*n*

^{2}

73

*n*

377

*n*

⇒ In a semi-conductor diode, the barrier offers opposition to

holes in P-region only

free electrons in N-region only

majority carriers in both regions

majority as well as minority carriers in both regions

⇒ A universal shift register can shift left or right.

TRUE

FALSE

⇒ Mark out the WRONG statem

Needs very high-speed burst modems

Faces no problems caused by intermodulation of carriers so that transponder can be used at its full power

Needs high-speed manipulation of bit streams

Is less flexible so that channels of widely different capacities cannot used and intermixed

⇒ Which of the following theorems enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source?

Superposition theorem

Compensation theorem

Millman's theorem

Thevenin's theorem

⇒ Consider the following statements:

- In the 2's complement representation, negative numbers are stored in sign magnitude form.
- Taking 2's complement is equivalent to sign change.
- In a 4 bit complement representation of a binary number A.
- In the 2's complement representation the most significant bit (MSB) is zero for a positive number.

(I) and (III)

(I) and (IV)

(II) and (III)

(II) and (IV)

⇒ For small size high frequency coils, the most common core material is

air

ferrite

powdered iron

steel

⇒ The thermionic emission current is given by

Fermi-Dirac distribution

Maxwell's equation

Richardson Dushman equation

Langmuir Child law

⇒ If number of information bits is 11, the number of parity bits in Hamming code is

5

4

3

2

⇒ The feedback control system shown in figure is sta

for all K ≥ 0

only if K ≥ 1

only if 0 ≤ K < 1

only if -1 ≤ K < 1

⇒ An AM signal is detected using an envelope detector, the carrier frequency and modulating signal frequency are 1 MHz and 2 kHz respectively. An appropriate value for the time constant of the envelope detector is

500 μ sec

20 μ sec

0.2 μ sec

1 μ sec

⇒ Which of the following is a valid real constant?

1281

1281

KM

11821

⇒ An antenna is 30 metre high. The frequency is 1 MHz. The radiation resistance is about

1500 Ω

150 Ω

15 Ω

1.5 Ω